A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-958-1252
NSN 2925-01-412-9520
NSN 5975-00-468-6111
NSN 5910-01-653-9786
NSN 2925-01-016-0876
NSN 5895-01-545-4659
NSN 5855-01-446-1936
NSN 5950-00-131-2406
NSN 5998-00-929-6091
NSN 5855-01-010-4921
NSN 6135-01-539-9009
NSN 5905-01-433-0260